Finding the Fourth Proportional to 49,750,921.81, 74,608,536.80 and 19,054,131.49
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Solution
The fourth proportional to 49,750,921.81, 74,608,536.80 and 19,054,131.49 is: 28,574,362.42
Step by Step Solution
- Step 1: Write the proportion equation
49,750,921.81 : 74,608,536.80 = 19,054,131.49 : x - Step 2: Convert to fraction form
49,750,921.81/74,608,536.80 = 19,054,131.49/x - Step 3: Cross multiply
49,750,921.81x = 74,608,536.80 × 19,054,131.49 - Step 4: Simplify right side
49,750,921.81x = 1,421,600,870,497,420.50 - Step 5: Solve for x
x = 1,421,600,870,497,420.50/49,750,921.81 - Step 6: Final answer
x = 28,574,362.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.